masaori335 commented on a change in pull request #8179:
URL: https://github.com/apache/trafficserver/pull/8179#discussion_r804272172
##########
File path: iocore/eventsystem/UnixEvent.cc
##########
@@ -104,3 +106,19 @@ Event::schedule_every(ink_hrtime aperiod, int
acallback_event)
ethread->EventQueueExternal.enqueue_local(this);
}
}
+
+#ifdef ENABLE_EVENT_TRACKER
+
+void
+Event::set_location()
+{
+ _location = ink_backtrace(3);
Review comment:
I though `backtrace(3)` doesn't have noticeable overhead. Because it
just refers address of current call stack. I'll measure on/off at production.
https://man7.org/linux/man-pages/man3/backtrace.3.html
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